The damage means: How many packages will be lost (broken), if you remove a specific package.
The cycle means: package A —> B and B —> A, or A —> B —> C —> A.

(—>) is a dependency relation.

DAMAGE:
Direct: Debian, Fedora, Gentoo
Direct and Indirect: Debian, Fedora, Gentoo

CYCLE:
Direct and Indirect: Debian, Fedora, Gentoo